The Iroquoian languages are a First Nation and Native American language family in North America. They are known for their general lack of labial consonants. Iroquoian languages are polysynthetic and head-marking.

Noun1. a family of North American Indian languages spoken by the Iroquois peoples (synonym) Iroquoian, Iroquois (hypernym) Amerind, Amerindian language, American-Indian language, American Indian, Indian (hyponym) Cherokee